Answer:
A
Explanation:
they are atoms of the same element that have the same number of protons but different number of neutrons.
Rutherford's model of the atom (ESAAQ) Rutherford carried out some experiments which led to a change in ideas around the atom. His new model described the atom as a tiny, dense, positively charged core called a nucleus surrounded by lighter, negatively charged electrons.
Answer:
they were hunter gatherers
Explanation:
I think this is the answer hope it helps